diff --git a/src/pages/overall/overall-course/unread-entry/unread-entry.scss b/src/pages/overall/overall-course/unread-entry/unread-entry.scss
index 01e7698..df24fc4 100644
--- a/src/pages/overall/overall-course/unread-entry/unread-entry.scss
+++ b/src/pages/overall/overall-course/unread-entry/unread-entry.scss
@@ -80,6 +80,13 @@
             background: #ddd;
             color: #333;
         }
+
+        // Mark as read
+        span.mark-as-read
+        {
+            background: #ddd;
+            color: #aaa;
+        }
     }
 
     .entry-box